Season 18: Meryl Davis helped Maksim Chmerkovskiy earn his first Mirror Ball trophy with the on-fire chemistry these two brought every week. It's a miracle the dance floor didn't catch on fire during their Week 8 simmering samba.

Season 18: Meryl Davis helped Maksim Chmerkovskiy earn his first Mirror Ball trophy with the on-fire chemistry these two brought every week. It's a miracle the dance floor didn't catch on fire during their Week 8 simmering samba. (ABC)

The quick step trips up some of the best dancers, but trying being a double amputee. Paralympic snowboarder Amy Purdy stunned the judges and the audience when she bounced like a pro in her semi-finals quick step dance.

The quick step trips up some of the best dancers, but trying being a double amputee. Paralympic snowboarder Amy Purdy stunned the judges and the audience when she bounced like a pro in her semi-finals quick step dance. (ABC)